<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
	</body>
	<script type="text/javascript">
		let upii=[];
		for(let i=0; i<10;i++){
			upii[i]=i+1;
			}
			console.log(upii);
				for(let j=0;j<5;j++){
					upii.splice(j,1);
					}
					console.log(upii);
	</script>
</html>
